Total births
666
Girls' name · since 1994
Mattilyn
666 babies named Mattilyn in U.S. Social Security records since 1994, with the highest year being 2012. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #9220
- among girls today
- 666
- born since 1994
- 2010s
- peak decade
- 48%
- more common than other girls
Yes -- Mattilyn is the #9220 most popular girls' name in the U.S. today, with 666 recorded since 1994.
Mattilyn has 666 recorded births among girls since 1994, per the U.S. Social Security Administration, ranked #9220 as of the latest data, more common than 48% of girls, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1994 to 2025.
- #9220 among girls today
- 666 born since 1994
- 2010s peak decade
- 48% more common than other girls
Data updated Jun 2026
The verdict
Mattilyn is currently the #9220 girls' name in America, more common than 48% of girls - 666 born since 1994, peaking in the 2010s.
- #9220
- among girls today
- 666
- born since 1994
- 2010s
- peak decade
- 48%
- more common than other girls
Mattilyn vs. every other girls name in current SSA rankings
#9220
of 17,726 girls in use
More common than 48% of names given to girls today.
2010s
Peak decade
45% of everyone ever named Mattilyn was born in this single decade.
2012
Single peak year
40 babies were named Mattilyn in 2012 - its busiest year on record.
How Mattilyn compares
666 Top 39% higher than 61% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Mattilyn's all-time total is 74% above the median girls name, and Olivia still leads by a wide margin.
| Metric | Mattilyn | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 666 | 382 | 567,345 |
| Peak-year births | 40 | 48 | 19,840 |
Mattilyn's usage pattern, beyond the headline number
Mattilyn splits its recorded history at 2011: 59% of all births land in the more recent half, 41% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1994 (8 births) -- compare that against the 2012 peak of 40 for a sense of just how much the name's popularity has swung.
Mattilyn at a glance
Outside the top 1,000Peak year
2012
Current rank
#9,220
Active since
1994
Mattilyn popularity over time
Annual U.S. births registered with the Social Security Administration · 1994–2025
- Peak year (2012)
- 40
- Annual births at peak, across 32 years of records
Mattilyn by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Mattilyn's strongest decade.
299 babies received the name during that ten-year window, about 45% of all-time use.
Mattilyn births by decade
Total births in each ten-year window
- 1990s 43
1990s
43 births
- 2000s
2000s
201 births
- 2010s
2010s
299 births
- 2020s
2020s
123 births
What this shows Peak: 2010s at 299 births (45% of all-time use).
How Mattilyn compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Mattilyn's total volume
Mattilyn vs 15 similarly-sized girls names
Mattilyn by state
Where Mattilyn concentrates geographically, total births since 1994
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Missouri | | 14 | 2.1% |
| #2 | Mississippi | | 6 | 0.9% |
| #3 | Texas | | 6 | 0.9% |
| #4 | Georgia | | 5 | 0.8% |
Missouri share of Mattilyn's total US births 2.1%
Even split
14 of 666 births nationwide. Compared to a flat distribution across 4 reporting states.
Frequently Asked Questions
How popular is the name Mattilyn? ▼
Mattilyn has been given to 666 babies in the U.S. since 1994, according to SSA data. Among girls, it ranks #9220 as of the latest data. 40 babies were born in 2012, its single highest year.
When was Mattilyn most popular? ▼
Mattilyn was most popular in the 2010s decade with 299 total births. The single peak year was 2012.
Where is Mattilyn most popular? ▼
The top states for the name Mattilyn are Missouri (14 births), Mississippi (6 births), Texas (6 births).
How long has the name Mattilyn been used? ▼
Mattilyn has been recorded in Social Security data since 1994, spanning 32 years of data through 2025.
What names are similar to Mattilyn? ▼
Names with a similar sound or spelling include Mattie, Matilda, Mathilda, Matthew, and 4 more. These share a common prefix and are also used for girls.
What to do with Mattilyn's data
- Mattilyn's usage has stayed within range of its 2010s decade-level peak (299 total births) through the 2020s (123) -- a comparatively stable name, not a fading trend.
- Missouri records the most Mattilyns (14 births) -- see the full state breakdown if geography matters to your decision. Missouri names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Mattilyn
Nearby Names Like Mattilyn
Names with a similar sound, spelling, or feel to Mattilyn
Mattie Girl
#1052 133,079 births
Matilda Girl
#410 37,270 births
Mathilda Girl
#4560 7,527 births
Matthew Girl
#11175 5,580 births
Matilde Girl
#3969 3,220 births
Compare Mattilyn side by side: Mattilyn vs Mattie Mattilyn vs Matilda Mattilyn vs Mathilda
Related Names
Names with a similar popularity rank to Mattilyn
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1994–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Mattilyn: #9220 Girls' Name - 666 Births, Peak 2012." NameAlmanac. Accessed via https://namealmanac.com/name/mattilyn. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Mattilyn draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.